Ricoh M50 PARTS CATALOG

RICOH M50

PARTS CATALOG

First Edition May 1992 RICOH COMPANY, LTD.

PARTS CATALOG

INTRODUCTION

This chapter instructs you the numbers and names of these parts on this machine.

INDEX to PARTS CATALOG

1. EXTERIOR (A094) .............................................................................. 2

2. OPTICS SECTION (A094).....................................................................4

3. PAPER FEED SECTION (A094) ............................................................ 6

4. DEVELOPMENT UNIT - BLACK (A094).................................................8

5. DEVELOPMENT UNIT - COLOR (A094).............................................. 10

6. FUSING SECTION (A094) .................................................................. 12

7. DRIVE SECTION (A094) ..................................................................... 15

8. UPPER UNIT (A094) ........................................................................... 17

9. LOWER UNIT (A094) .......................................................................... 19

10. MAIN BOARD (A094) ........................................................................ 21

11. POWER SUPPLY BOARD (A094) ...................................................... 23

12. AC DRIVE BOARD (A094) ................................................................ 25

13. INTERFACE BOARD (A094) .............................................................. 27

14. UPPER UNIT HARNESS - REAR (A094) ........................................... 29

15. UPPER UNIT HARNESS - FRONT (A094) ......................................... 31

16. AC HARNESS (A094)........................................................................ 33

17. SPECIAL TOOL (A094) ..................................................................... 35

Parts Index ............................................................................................ 37

May 15, '92

1. EXTERIOR (A094)

2

1. EXTERIOR (A094)

Index

No.

1 A094 1431 Rear Cover - 220/240V 1
2 5214 7182 Praten Cover 1
3 Not Used
4 5214 1551 Platen Cover Sheet 1
5 A094 2661 Cassette Body 1
6 A094 2624 Bottom Plate Spring 2
7 A094 2687 By-pass Feed Guide - A4 1
8 5214 2631 Leaf Spring - Cassette 3

9 Not Used
10 5214 2619 Rear Side Fence 1
11 5214 2613 Front Side Fence 1
12 5214 2630 Paper Guide Roller - Cassette 3
13 5214 2627 Friction Pad 2
14 5214 7202 Copy Paper Set Decal 1
15 5214 7200 Paper Size Decal - A4 1
16 A094 4161 Copy Tray 1
17 A094 6365 Indicator Panel 1
18 A094 1381 Operation Panel Cover - 220/240V 1
19 A094 1416 Image Density - D 1
20 A094 1415 Image Density Key - L 1
21 A094 1414 Decrease Quantity Key 1
22 A094 1413 Increase Quantity Key 1
23 A094 1412 Clear/Stop Key 1
24 A094 1411 Print Key 1
25 A094 1361 Front Cover 1
26 5214 2626 Bottom Plate - A4 1

Q'ty per

Assembly

Index

No.
111 0353 0060F Philips Truss Head Screw - M3x6

113 0413 0100F Philips Truss Head Screw - M3x10
140 0965 4010W Tapping Screw with Flat Washer - M4x10

DescriptionPart No.DescriptionPart No.

Q'ty per

Assembly

3

2. OPTICS SECTION (A094)

4

2. OPTICS SECTION (A094)

Index

No.

1 A094 1991 Slider Cover 1

2 A094 1921 Slider Rack Angle 1

3 5214 1971 Slid Rail 1

4 5214 1974 Screw - Slider Stopper 1

5 A094 1917 Exposure Glass Ass’y - A4,A5 1

6 A094 1947 Sub Scale - A4,A5 1

7 A094 1937 Main Scale - A4,A5 1

8 A094 1121 Left Cover 1

9 A094 1751 Exposure Cover 1
10 A094 1131 RRight Upper Cover 1
11 5214 1738 Exposure Reflector 1
12 5214 1736 Rins Seal - 236x6x6 1
13 5214 1741 Rins Ass’y 1
14 5214 5226 Exposure Lamp Sensor 1
15 5214 1739 Side Reflector 1
16 5214 1734 Exposure Reflector Bracket 1
17 5214 1717 Front Rins Holder 1
18 5214 1718 Rear Rins Holder 1
19 5214 1744 Leaf Spring - Rins Hold 2
20 5214 1731 Fluorescent Lamp Heater Spring 2
21 A094 1712 Rins Bracket 1
22 5214 2406 Varistor Holder 1
23 5214 5230 Master Sensor 1
24 5214 2407 Leaf Spring - Varistor 1
25 5214 5202 Varistor - 820V 1
26 5214 2401 Leaf Spring - Master Earth 1
27 A094 5231 Photocoupler 1
28 5214 2411 Seal - Toner Overflow Sensor 1
29 A094 5208 Fluorescent Lamp Socket 1
30 5214 5217 Fluorescent Lamp - 14W 1
31 5214 5655 Fluorescent Lamp Heater - 220/240V 1
32 5214 2070 Charge Corona Holder 1
33 5214 2065 Rear End Block - Charge 1
34 5214 2055 Charge Corona Casing 1
35 5214 2080 Thumb Screw - M4x5 1

Q'ty per

Assembly

Index

No.

36 5214 9001 Corona Wire - 10pcs/Set 1
37 5214 2072 Rear End Cover - Charge 1
38 5214 2060 Front End Block - Charge 1
39 5214 5321 High Voltage Supply Cord - Charge 1
40 A094 5211 Quenching Lamp 1
41 5203 2059 Corona Wire Hook 1
42 5203 2060 Corona Wire Screw - M3x4 1
43 5214 2050 Transfer Corona Ass’y 1

101 0312 5060W Philips Pan Head Screw - M2.5x6
104 0312 0060W Philips Pan Head Screw - M3x6
109 0314 0120W Philips Pan Head Screw - M4x12
111 0353 0060F Philips Truss Head Screw - M3x6
114 0414 0082F Philips Truss Head Screw - M4x8
116 0443 0060W Hexagon Head Tapping Screw - M3x6
117 0443 0080W Hexagon Head Tapping Screw - M3x8
125 0720 0030E Retaining Ring - M3
139 0965 3008W Tapping Screw With Flat Washer - M3x8
152 0444 0082W Tapping Screw - M4 x 8

DescriptionPart No.DescriptionPart No.

Q'ty per

Assembly

5

3. PAPER FEED SECTION (A094)

6

3. PAPER FEED SECTION (A094)

Index

No.

1 5214 4191 Safety Switch Lever - Exit Cover 1

2 5214 2643 Coupled Gear - 24T/50T 1

3 5214 2640 Gear - 32T 1

4 A094 1261 Rear Sie Plate - Paper Feed 1

5 5214 2635 Cassette Guide Pin 2

6 5214 2568 First Guide Roller - Paper Feed 1

7 5214 2569 Second Guide Roller - Paper Feed 1

8 5214 2552 Paper Feed Roller 2

9 5214 2553 Paper Retainer 1
10 5214 2551 Feed Drive Shaft 1
11 5214 2565 Feed Guide Plate 1
12 5214 2590 Lower Registration Roller 1
13 5214 2576 Lower Guide Plate - Registration 1
14 5214 1221 Rubber Foot 1
15 5214 2578 Registration Plate 1
16 5214 7804 Rear End Cover - Transfer 1
17 5214 7802 Rear End Block - Transfer 1
18 5214 5320 High Voltage Supply Cold - Transfer 1
19 5214 2579 Registration Spring 1
20 5214 5235 Paper Feed Sensor 1
21 A094 5219 Registration Solenoid 1
22 5214 7792 Upper Registration Roller 3
23 5214 2583 Registration Roller Shaft 1
24 A094 2585 Front Registration Spring 1
25 A094 2586 Rear Registration Spring 1
26 5214 2582 Rubber Dumper 2
27 5214 9001 Corona Wire - 10pcs/Set 1
28 5214 7803 Front End Cover - Transfer 1
29 5214 7801 Front End Block - Transfer 1
30 5214 2156 Transfer Corna Casing 1
31 5214 2157 Transfer Guide Plate 1
32 5214 2158 Mylar Seal - Transfer Entrance 1
33 A094 1246 Front Side Plate - Paper Feed 1
34 5214 2571 Gear - 16T 1
35 5214 2563 Gear - 38T 1

Q'ty per

Assembly

Index

No.

36 5214 2556 Paper Feed Clutch 1
37 5053 0223 Bushing - 8mm 1
38 5214 2572 Gear - 22T 1
39 5214 2564 Gear - 30T 1
40 5214 2581 Upper Guide Plate - Registration 1
41 5053 0709 Bushing - 6x10x6mm 2
42 5203 2060 Corona Wire Screw - M3x4 1
43 5214 7800 Transfer Corona Ass’y 1

102 0313 0050W Philips Pan Head Screw - M3x5
106 0313 0120W Philips Pan Head Screw - M3x12
107 0313 0250W Philips Pan Head Screw - M3x25
116 0443 0060W Hexagon Head Tapping Screw - M3x6
125 0720 0030E Retaining Ring - M3
126 0720 0040E Retaining Ring - M4
127 0720 0060E Retaining Ring - M6
136 0805 3389 Bushing - 8x10x6mm
137 0809 1013 Nylon Wire (50m/Roll)
138 0951 3006W Philips Screw With Flat Washer - M3x6
141 0965 4012W Philips Pan Head Screw - M4x12
151 0720 0050E Retaining Ring - M5

DescriptionPart No.DescriptionPart No.

Q'ty per

Assembly

7

4. DEVELOPMENT UNIT - BLACK (A094)

8

4. DEVELOPMENT UNIT - BLACK (A094)

Index

No.

1 5214 3152 Rear Development Cover 1

2 5214 3103 Gear - 18T 1

3 5214 3101 Gear - 12T 1

4 5214 3102 Gear - 20T 1

5 5214 3100 Gear - 24T 1

6 5214 3105 Spring - Toner End Lever 1

7 5214 3130 Toner End Lever 1

8 5203 3151 Roller Cover Spring 1

9 5214 3060 Rear Side Plate - Development 1
10 5214 3110 Development Roller Cover 1
11 5214 3080 Toner Metering Blade 1
12 AD03 0030 Development Roller 1
13 5214 3140 Discharging Brush Cover 1
14 5214 3145 Development discharging Brush 1
15 5214 3104 Toner Supply Shaft 1
16 5214 3090 Toner Mixing Plate 1
17 5214 3070 Toner Hopper 1
18 5214 2570 Leaf Spring 4
19 5214 2573 Guide Roller 4
20 A094 3211 Development Unit Holder 1
21 5214 3051 Front Side Plate - Development 1
22 5214 3115 Sector Gear - 60T 1
23 5214 3121 Roller Cover Lever 1
24 5214 3123 Roller Cover Link 1
25 5214 3151 Front Development Cover 1
26 5203 3130 Toner End Disk 1
27 5203 3126 Gear - 32T 1
28 5203 3105 Nylon Rivet 2
29 5214 3112 Seal - 0.05x21x257.5mm 1
30 5203 3145 Front Cover Bracket - Development 1
31 5203 3125 Coupled Gear - 14T/32T 1
32 5203 3153 Spring - Toner End Lever 1
33 5214 3050 Development Unit - Black 1
34 Not Used
35 5921 3114 Seal - 12mm 2

Q'ty per

Assembly

Index

No.
103 0313 0060M Philips Pan Head Screw - M3x6

104 0313 0060W Philips Pan Head Screw - M3x6
116 0443 0060W Hexagon Head Tapping Screw - M3x6
118 0443 0082W Hexagon Head Tapping Screw - M3x8
124 0701 0050B Flat Washer - M5
126 0720 0040E Retaining Ring - M4
127 0720 0060E Retaining Ring - M6
131 0805 0077 Retaing Ring - M3
133 0805 3162 Ball Bearing - 10x19x7mm

DescriptionPart No.DescriptionPart No.

Q'ty per

Assembly

9

5. DEVELOPMENT UNIT - COLOR (A094)

10

5. DEVELOPMENT UNIT - COLOR (A094)

Index

No.

1 5214 3152 Rear Development Cover 1

2 5921 3111 Gear - 16T 1

3 5203 3124 Coupled Gear - 12T/22T 1

4 5203 3125 Coupled Gear - 14T/32T 1

5 5203 3130 Toner End Disk 1

6 5203 3126 Gear - 32T 1

7 5214 3105 Spring - Toner End Lever 1

8 5203 3151 Roller Cover Spring 1

9 5921 3120 Toner End Lever 1
10 5921 3071 Rear Side Plate - Development 1
11 5921 3110 Gear - 20T 1
12 5921 3140 Development Roller Cover 1
13 5921 3091 Toner Metering Blade 1
14 5921 3130 Development Roller 1
15 5921 3114 Seal - 12mm 2
16 5921 3110 Gear - 20T 1
17 5921 3116 Toner Supply Roller 1
18 5203 3145 Front Cover Bracket - Development 1
19 5921 3100 Toner Mixing Bar 1
20 5921 3080 Toner Hopper 1
21 5921 3061 Front Side Plate - Development 1
22 5214 3115 Sector Gear - 60T 1
23 5214 3121 Roller Cover Lever 1
24 5214 3123 Roller Cover Link 1
25 5203 3153 Spring - Toner End Lever 1
26 5214 3151 Front Development Cover 1
27 5921 3112 Toner Supply Shaft - Space Sell 4

Q'ty per

Assembly

Index

No.

1030313 0060M Philips Pan Head Screw - M3x6

104 0313 0060W Philips Pan Head Screw - M3x6
116 0443 0060W Hexagon Head Tapping Screw - M3x6
118 0443 0082W Hexagon Head Tapping Screw - M3x8
126 0720 0040E Retaining Ring - M4
127 0720 0060E Retaining Ring - M6
131 0805 0077 Retaing Ring - M3
133 0805 3162 Ball Bearing - 10x19x7mm

DescriptionPart No.DescriptionPart No.

Q'ty per

Assembly

11

6. FUSING SECTION (A094)

12

6. FUSING SECTION (A094)

Index

No.

1 A094 4207 Fusing Cover - 220/240V 1

2 A094 5316 Rear Fusing Harness 1

3 A094 5315 Front Fusing Harness 2

4 5214 5422 Thermoswitch 1

5 5214 5803 Thermoswitch Bracket 1

6 5214 5260 Thermistor 1

7 5214 4072 Gear - 21T 1

8 5214 4108 Gear - 30T 1

9 5214 4112 Bushing - 8x18x5mm 2
10 5214 4101 Upper Fusing Stay 1
11 5214 4107 Bushing - 20x28x8mm 2
12 5214 4188 Lamp Terminal 1
13 5214 4187 Rear Heater Bracket 1
14 5214 4073 Gear - 16T 1
15 5214 4066 Rear Stopper - Exit Guide 1
16 5214 4055 Fusing Pressure Spring 2
17 5214 4093 Fusing Guide Plate 1
18 5214 4091 Lower Fusing Stay 1
19 A094 5236 Paper Exit Sensor 1
20 5214 4074 Gear - 28T 1
21 5214 4076 Fusing Arm Bracket 1
22 A094 4106 Hot Roller 1
23 A094 4411 Pressure Roller 1
24 5214 4051 Front Stopper - Exit Guide 1
25 5415 4093 Shaft - Fusing Lamp Terminal 1
26 5214 4184 Lamp Terminal Bracket 1
27 A094 5620 Fusing Lamp - 1050W - 220V/240V 1
28 5214 4113 Gear - 28T 1
29 5214 4058 Gear - 25T 1
30 5214 7795 Paper Reverse Knob 1
31 5214 3855 Inverted Roller - Transport Belt 1
32 5214 3854 Transport Belt Bracket 1
33 5214 3850 Drive Roller - Transport Belt 1
34 5214 3853 Coupled Gear - 16T/32T 1
35 5214 3856 Transport Belt 1

Q'ty per

Assembly

Index

No.

36 5447 2769 Stepped Screw 1
37 A094 4087 Lower Exit Guide 1
38 5214 4127 Exit Roller 1
39 5214 9002 Hot Roller Stripper - 3pcs/Set 1
40 5214 4124 Spring Holder - Stripper Release 3
41 A094 4123 Stripper Release Spring 3
42 5214 4128 Bushing - 14x8x6mm 2
43 5214 4129 Gear - 16T 1
44 5214 4116 Upper Exit Stay 1
45 5214 4122 Stripper Spring 3
46 5214 4131 Upper Exit Guide 1
47 5214 7216 Exit Cover 1
48 A094 4179 Lamp Holder Spring 1
49 5443 2668 Bushing - 4x6x7mm 1
50 AA11 3028 Front Outer Insulator 2
51 5432 4118 Insulator - B 2
52 A094 5305 Harness - Paper Exit Sensor 1
53 5214 4185 Lamp Terminal 1
54 5214 4235 Exit Roller 3
55 5214 4232 Guide Roller 3
56 5214 4970 Caution Decal - High Temperature 220/ 2
57 5214 4104 Fusing Unit Mylar 1
58 5214 4110 Plate - Fusing Unit 1

DescriptionPart No.DescriptionPart No.

Q'ty per

Assembly

13